Replacement rotor/impeller for wallmounted boiler circulation pumps designed to restore reliable water flow and quiet operation in heating systems. Why you need it Restores circulation performance when the original rotor or impeller is worn, damaged, or clogged. Reduces pump noise and vibration caused by imbalanced or eroded components. Helps prevent overheating, poor heat distribution, and increased energy use caused by reduced flow. Key benefits Quick performance recovery: Replaces the worn rotating element to bring the pump back to its intended flow and pressure characteristics. Costeffective : Replacing the rotor/impeller is typically faster and less expensive than replacing the entire pump or boiler. Improved heating comfort: Restores consistent circulation so radiators and underfloor loops reach set temperatures more reliably. Maintenancefriendly: Simple swapin replacement suitable for routine service and emergency repairs. Main attributes Functionality: Acts as the rotating hydraulic element of a circulation pump, moving water through the boiler and heating circuits. Compatibility: Intended for use with wallmounted boiler circulation pumps. Verify fit and shaft type with your pump model before ordering. Size and fit: Manufactured to match the geometry and mounting points used in common wallmounted boiler pump assemblies; check dimensions against the part being replaced. Material and durability: Engineered for durability under normal boiler system conditions; constructed to withstand continuous rotation within a closed heating circuit. Performance: Restores pump flow rate and pressure characteristics when the original rotor/impeller has degraded, improving overall pump efficiency. Installation and care Installation is typically straightforward for technicians or competent DIYers: isolate and drain the system, remove the pump housing, extract the old rotor/impeller, install the replacement on the shaft, reassemble and refill the system. Inspect seals, shaft coupling, and bearings while the pump is open; any worn ancillary parts to ensure longterm reliability. After installation, bleed air from the system and verify flow and noise levels to confirm correct operation. Use cases / applications Home boiler : a worn rotor/impeller in a domestic wallmounted boiler to restore hot water circulation to radiators and domestic hot water heat exchangers. Scheduled maintenance for rental properties: Keep a spare rotor/impeller on hand to minimize downtime during tenant heating outages and reduce emergency service calls. Workshop pump rebuilds: Use as the replacement rotating element when rebuilding circulation pumps in service shops for small commercial or residential boilers. Compatibility checklist (before ordering) Confirm your boiler/pump model and shaft type match the replacement rotor/impeller specifications. Compare the physical dimensions and mounting features of the replacement to the part being removed. If unsure, consult your boiler or pump service manual or contact a qualified service technician. Professional note This rotor/impeller is a replacement component intended for wallmounted boiler circulation pumps. Proper fit and installation are essential for safe, efficient operation. If you are unsure about compatibility or installation, seek professional assistance.